Click to expand Tap to zoom Eaton SP1-480Y SPD Surge Protection Device, 50 kAIC, 277/480 wye, 3 Phase Eaton SP1-480Y SPD Surge Protection Device, 50 kAIC, 277/480 wye, 3 Phase 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Need a Specific Revision?